Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ad5b24a807283a8…

MALICIOUS

PDF

72.8 KB Created: 2020-08-26 14:31:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d9ff83d1fd4e48a9afa999b762b48716 SHA-1: fcbf27616c33677bf9a245eec38f45fffe1765ed SHA-256: 0ad5b24a807283a809ec6c6cfe5a7ac976a68690016593fc56983318dcd1be3a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The primary redirector URL is https://ttraff.cc/pify?keyword=%25D9%2583%25D9%2585+%25D8%25B3%25D9%2586%25D8%25AA%25D9%258A%25D8%25AC%25D8%25B1%25D8%25A7%25D9%2585+%25D9%2581%25D9%258A+%25D9%2585%25D9%2584%25D9%258A%25D8%25BA%25D8%25B1%25D8%25A7%25D9%2585, suggesting a phishing or scam attempt. The presence of a large number of external PDF links, including those hosted on Shopify, indicates a link farm designed to obscure the final malicious destination. No scripts were extracted, but the embedded links are sufficient to classify this as a malicious redirector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=%25D9%2583%25D9%2585+%25D8%25B3%25D9%2586%25D8%25AA%25D9%258A%25D8%25AC%25D8%25B1%25D8%25A7%25D9%2585+%25D9%2581%25D9%258A+%25D9%2585%25D9%2584%25D9%258A%25D8%25BA%25D8%25B1%25D8%25A7%25D9%2585 In PDF document text
    • http://files.justagirlwithapen.com.au/uploads/1/3/2/3/132302888/gowebogebomo.pdfIn PDF document text
    • http://vanag.amdarcyphotography.com/uploads/1/3/1/4/131453494/1426856.pdfIn PDF document text
    • http://files.spinalunwinding.com/uploads/1/3/0/7/130776046/93c0b959.pdfIn PDF document text
    • http://files.rochelthewriter.com/uploads/1/3/1/4/131437670/tumemazas.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/1332/5219/files/ncert_history_answers_class_6.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/begujupagojarujudun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1243/7662/files/zopog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8660/1635/files/pdf_book_reader_for_windows.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7189/6736/files/parbolas_de_jesus_cairbar_schutel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1816/5146/files/zedimadekafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1557/5464/files/zorumaxolejet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9786/3832/files/anglo_saxon_chronicle_old_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6237/8152/files/20431194713.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/3056/9109/files/cooling_tower_lab_report_discussion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/pojajizigejijizibupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_007_off0000d9a7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xD9A7 32712 bytes
SHA-256: 5e3cd369a4fa7641572d150788652228220c358b1a38d9875fac4cc4578fa8b9
font_00_sfnt_off000093bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93BC 4068 bytes
SHA-256: 3e900196e372575ee1af689ac1189ef6d8c737e738b089e874f4efaa939d80c0
font_01_sfnt_off0000a198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA198 17976 bytes
SHA-256: 374d3ecc7dbc3e40f7baeb0537e89afa275d762db0bf10bc6c7d184b55b37f47
font_02_sfnt_off0000bcc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCC8 8380 bytes
SHA-256: 239d9727b1aca6725a70da8707de5dfbca0a8bd7e8002d38f8ae09d6f480ff11

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