Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eeb72012f87b3d5…

MALICIOUS

PDF

46.6 KB Created: 2020-08-20 14:27:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 781b247d1ebbda2bb28eb1b32284aa58 SHA-1: 09c36930c974a12624069a24dd6946319f4c06e8 SHA-256: 8eeb72012f87b3d5960571e14182375bd5ff98c1ff5a2d740e29ae971f359279
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=modern+combat+5+android+tv+apk', is designed to lure users into downloading potentially malicious content. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, likely for SEO manipulation or to host further malicious 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=modern+combat+5+android+tv+apk In PDF document text
    • http://sunopir.bizsupportservices.com/uploads/1/3/2/3/132302921/793048.pdfIn PDF document text
    • http://rolofajuw.stnicholaschurch-shepperton.org/uploads/1/3/2/6/132682327/5715403.pdfIn PDF document text
    • http://logox.blacnflatcoatedretrievers.com/uploads/1/3/1/4/131438282/fedukizopija.pdfIn PDF document text
    • http://pogez.allegraclark.com/uploads/1/3/0/7/130776485/cce768a1283eb.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/1/0434/0816/2974/files/33178277088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5347/2151/files/calendario_lunar_2020_peru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2433/4498/files/tumezanik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7491/2410/files/2568034121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7617/2441/files/basic_algorithms_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0933/5715/files/calendario_de_vacunas_2018_chile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovaje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/cbse_class_12_history_syllabus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4345/4102/files/29510187489.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/6345/6423/files/electrical_engineering_abbreviations_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2834/9079/files/back_cracking_techniques.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 3

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_off00006dd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD8 5404 bytes
SHA-256: d4530382943a911296c13dbf51066cd11083f0ad7364bf0811bb493aab97c87d
font_01_sfnt_off00008027.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8027 1680 bytes
SHA-256: aaa80601a2608e271ff07f3454be47ef7d32631445401feb96b0fadbd1c0d6a2
font_02_sfnt_off00008893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8893 10644 bytes
SHA-256: f17d25d15557d6a6cf983537b20637eb0d60e9491883dfcfdc7c9f07fcc61d27

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