Malicious PDF — malware analysis report

Static analysis result for SHA-256 916659b196725c01…

MALICIOUS

PDF

42.3 KB Created: 2020-08-21 02:12:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 01d07258002d6570c7129a72fa739deb SHA-1: 7d17da3b57207171fbb08dd96443b0e71e98abd9 SHA-256: 916659b196725c01aaa88593544282b124ab55faf560e600e9778c6f4ea79d63
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a heuristic identifying it as a PDF link farm. One of these links, 'https://ttraff.ru/pify?keyword=hearts+card+game++windows+xp', is flagged as a known malicious redirector. The presence of numerous links, many pointing to Shopify domains, suggests an attempt at SEO manipulation or a large-scale phishing campaign disguised as legitimate 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.ru/pify?keyword=hearts+card+game++windows+xp In PDF document text
    • http://zisafeza.jakyoga.com/uploads/1/3/2/6/132696056/sajaxitar_putibex_mazibogobavufu_fudapasemixa.pdfIn PDF document text
    • http://files.centrallyesl.com/uploads/1/3/2/8/132815866/8376184.pdfIn PDF document text
    • http://files.compressionsllc.com/uploads/1/3/1/6/131637325/miwukox_majevexowenewi_xolizijilaleru_rumezofato.pdfIn PDF document text
    • http://bodulixem.psucusa.com/uploads/1/3/1/6/131606490/lokuxujimujujuta.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/1/0447/9234/8838/files/51176430232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0777/7702/files/marti_c3_b1o_rivas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7826/3718/files/kevoreronigi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/believer_piano_sheet_music_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3014/9270/files/hotel_california_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8418/4728/files/kasimexumameboguvalobaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4253/5581/files/28159042428.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9941/3921/files/minions_wallpaper_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2520/3354/files/gakukixig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7165/9414/files/date_range_picker_android_github.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1816/5144/files/kikufazefefakezerun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5783/files/nepunavutiwuta.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_off0000673b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x673B 5484 bytes
SHA-256: cbb1fe2f37364598820959b0fd86375b0cc56cda8d1a967d3390f89662343ad8
font_01_sfnt_off000079dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79DD 10040 bytes
SHA-256: cf65636935cb86775fe4a1114c1f409344059a30e0a46a3ee605be8ef38ed3a0

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