Malicious PDF — malware analysis report

Static analysis result for SHA-256 d616a2182fef2422…

MALICIOUS

PDF

53.4 KB Created: 2020-08-06 06:43:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4605b0569bb31bcef888c85800be996d SHA-1: 7ef25aacd1faadf7d3364f4150f02a51c1fc9cac SHA-256: d616a2182fef24227615fcff2ff28705bc57b4ab57f8f9f58e8134cb87d93081
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs. One critical heuristic identified a link to a known malicious redirector, 'ttraff.cc', which likely serves as a gateway to further malicious content. The document body, though partially obfuscated, also contains this redirector URL, reinforcing its malicious intent. No scripts were extracted from this sample.

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=can+i+trust+the+bible+rc+sproul+pdf In PDF document text
    • http://files.redrootswrestlingclub.org/uploads/1/3/1/6/131606289/volefalimuxo.pdfIn PDF document text
    • http://files.polemoorridingclub.com/uploads/1/3/1/6/131637402/naravudidixeles.pdfIn PDF document text
    • http://files.northcoastoutfitters.com/uploads/1/3/1/4/131454190/b36c335d.pdfIn PDF document text
    • http://files.jlongkandb.co.uk/uploads/1/3/1/6/131606368/da1337258866eff.pdfIn PDF document text
    • http://files.tribetasrc.com/uploads/1/3/1/3/131398117/37dab24cd9d3ac9.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/1/0441/4029/8392/files/nurojajagijanefajigixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/sulafuxoditopivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/3859/2424/files/buna_seara_melania.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4235/4853/files/79838727029.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8830/6586/files/panchatantra_short_stories_in_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2222/9397/files/lidegaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/12870138569.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4768/2201/files/37672143500.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6782/4533/files/32691803972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/tipepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9054/2743/files/57195667681.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/minecraft_pe_0._14._0_apk_aptoide.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_off000093a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93A7 5288 bytes
SHA-256: 4c21bbad062da144cd73b3c22aa7b4061d25a0f8b01e41130431764b98586be7
font_01_sfnt_off0000a591.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA591 10204 bytes
SHA-256: 449baac74db8cbc461f6593c09c4872ca9ae5d5fa6938ba8a6ffc3e01082d389

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