Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a00536870bf681e…

MALICIOUS

PDF

43.8 KB Created: 2020-08-23 20:10:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e0765143db36a30973e460f2c6afa067 SHA-1: 35895c1ec66fadbc7621636b9e857acb189f6c6e SHA-256: 0a00536870bf681e34cf4632f21354c2159517eb4143e7c3c80fa63c9fa9ef7a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the document is designed to lead users to malicious infrastructure, likely for phishing or malware distribution.

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.com/pify?keyword=purpose+synonym+formal In PDF document text
    • http://jazarabif.ccioh.com/uploads/1/3/2/7/132712615/3466379.pdfIn PDF document text
    • http://vonapiw.pinchalog.de/uploads/1/3/0/9/130969220/gerefuwen.pdfIn PDF document text
    • http://files.ivyshi.org/uploads/1/3/1/3/131379296/zonelaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5347/3189/files/65978554449.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2143/4023/files/finetezifotoresoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9220/5978/files/dulojudokawovubofevuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7013/files/34170049571.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/5346/6019/files/canon_lide_110_scanner_setup_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3744/7576/files/41365495812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0000/3749/files/lacoste_shoe_size_guide_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9421/6599/files/59595700467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7900/7384/files/94402266820.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 6

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000606c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x606C 4904 bytes
SHA-256: e81f74bbc9c0fccc9afb5d3bc8b115f27dad2d68c8f666898f1c4afee3a443ec
font_01_sfnt_off000070f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70F8 10480 bytes
SHA-256: 1158ae57070463e6f2c498c7cc5168faeee58222ba14f2fce58f941ee942b87c
font_02_sfnt_off00009444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9444 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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