Malicious PDF — malware analysis report

Static analysis result for SHA-256 e948d6f80d981f7a…

MALICIOUS

PDF

43.8 KB Created: 2020-08-03 23:15:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3f008fa68c79490f4af6ad2c9e8777fa SHA-1: 42ab3c24186486fcf5f10cc91d457e17c623dbd6 SHA-256: e948d6f80d981f7a5d776bc544fc8e30a6e55c566ea7d191438874833a97afdb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a mass of external links, including a critical link to a known malicious redirector at https://ttraff.cc/pify. The document body text, though heavily obfuscated, contains the same URL and a search query related to base64 to PDF conversion, suggesting a lure to a malicious site. The file is likely part of a link farm or SEO poisoning campaign to drive traffic to malicious infrastructure.

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=convert+base64+to+pdf+python In PDF document text
    • http://files.3hwarchitecture.com/uploads/1/3/1/6/131606123/goxes.pdfIn PDF document text
    • http://files.deitzlandsurveying.com/uploads/1/3/1/4/131438453/wagotu.pdfIn PDF document text
    • http://jubid.jennifersnowden.net/uploads/1/3/2/6/132682883/gojedazilibum.pdfIn PDF document text
    • http://files.dianabradfordart.com/uploads/1/3/1/4/131483069/2002958.pdfIn PDF document text
    • http://files.tuxpeoplesmusic.com/uploads/1/3/0/8/130874495/kigevusepufe_nomigisu_nolokuxe_lakobugujokude.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/1/0428/1237/5207/files/48103845273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4701/files/43683972175.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6441/7695/files/fanuc_alarm_codes_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2390/8520/files/75924187086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4645/8776/files/sukoxuvovokuvetifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4932/8533/files/33120946476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/55953572239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5320/3102/files/wasutevezusiralobaxeloda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3815/4657/files/bepewemelude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4944/2713/files/daduxemaxuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1310/2998/files/tabom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0609/9605/files/xatasufiroduka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9183/6566/files/31991068408.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://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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006aa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AA5 5544 bytes
SHA-256: 0a05444417ccd93d4dac03021bfb4b792b06bcfcf40abd935b484aabb3700eb3
font_01_sfnt_off00007d86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D86 10728 bytes
SHA-256: c88c117315ccfa20d35931b089c8c3a2cc47f577532a2c20f18d0d626df9ab57

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