Malicious PDF — malware analysis report

Static analysis result for SHA-256 0075b84f8126dade…

MALICIOUS

PDF

45.0 KB Created: 2020-08-06 22:55:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ccefe2c7539886bc84bc5cb5dc3d004 SHA-1: 380f0510def95c58ebd1e3fa1b685a9da008f8a1 SHA-256: 0075b84f8126dadeb20e82b5704e2e0cc680d968b5d4c7b72fd127c075d4f504
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified as a redirector for SEO spam. The document body, though partially corrupted, contains text suggesting a lure for a Python programming book, which aligns with the observed redirector URL. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to malicious redirector usage.

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=filetype+pdf+learn+python+3+the+hard+way In PDF document text
    • http://suzowiwa.artventureoc.com/uploads/1/3/0/7/130776760/negatajijativivodak.pdfIn PDF document text
    • http://files.fieldcrestfootball.com/uploads/1/3/0/7/130775634/b64fa0c8376e0.pdfIn PDF document text
    • http://files.tierecords.com/uploads/1/3/1/8/131857383/votur.pdfIn PDF document text
    • http://files.omahaseniorresourcegroup.com/uploads/1/3/1/6/131606727/nitirepipiwa_murefa_xigufazevoxa.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/1/0432/0608/2717/files/fozadawupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0677/0843/files/geekvape_aegis_solo_user_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0108/5082/files/memenivo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66656561998.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/5186/4484/files/how_to_open_steam_console.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0703/9895/files/18230753192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2556/2775/files/pdf_to_dwg_converter_2020_online_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6117/7507/files/ipa_phonetic_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9618/7815/files/4610_ford_tractor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5824/2470/files/31728449884.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_off00005c2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2B 5052 bytes
SHA-256: 7c9d968ae84c23bb372d19696824325b0eee508c8c51760dad3252f11f6e6887
font_01_sfnt_off00006d69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D69 15144 bytes
SHA-256: bd5ed227e58b13c6457d5c89f9bf3ac292d09338d9b7079f4a0009d2a361b9f1
font_02_sfnt_off0000974c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x974C 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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