Malicious PDF — malware analysis report

Static analysis result for SHA-256 acca5ee9b2bdb752…

MALICIOUS

PDF

45.5 KB Created: 2020-08-20 13:05:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 75794e0c7da03adaee0ec00fa6080bfd SHA-1: 79c7e8bf4504a29093d80768a8da1bdc0b5c6575 SHA-256: acca5ee9b2bdb7522c714bb305eeeb09385aa7893da86a1bdf3f3c923ec79ed5
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the primary links, 'https://ttraff.cc/pify?keyword=rap+albums+2018+free', is flagged as a known malicious redirector. The document body itself is heavily obfuscated and contains junk data, but the presence of this malicious link and the link farm heuristic strongly suggest a malicious intent to lure users to harmful content.

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=rap+albums+2018+free In PDF document text
    • http://dajagaf.deliciousdesignsbysherry.com/uploads/1/3/1/3/131379362/04c840d61b0.pdfIn PDF document text
    • http://pepugafa.disruptivenewyork.com/uploads/1/3/2/8/132816036/d2a0ef3a257b.pdfIn PDF document text
    • http://files.silasclifford-smith.com/uploads/1/3/0/7/130775002/6030341.pdfIn PDF document text
    • http://files.unnatilok.com/uploads/1/3/1/8/131871994/dodojozo.pdfIn PDF document text
    • http://files.mrsbisgaard.com/uploads/1/3/1/6/131607522/cff6aedc768a9.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/1/0435/8999/2616/files/jemen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87664315042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2174/5823/files/suxugudevusonurap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9050/9977/files/75330445706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8531/5739/files/nigiwazuvipuzanefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/sap_bpc_420_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0011/7928/files/devawo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5713/6294/files/67788096107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4809/0272/files/29025348737.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6652 5252 bytes
SHA-256: 7893edda4dcb9479eca07e759e373ef3b616aa4bbf5237efc4536569b75656d1
font_01_sfnt_off00007821.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7821 10276 bytes
SHA-256: 0a1a87ce21faf204e264c4f5d88f5c09ff6de787959917570bb936ea7acce515
font_02_sfnt_off00009b4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B4A 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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