Malicious PDF — malware analysis report

Static analysis result for SHA-256 1010b02e617209c5…

MALICIOUS

PDF

47.0 KB Created: 2020-08-13 21:27:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0c3b315155376e8438ee8ce2c5148931 SHA-1: 348db6db8355c1a3633c76384209a22bad097d0e SHA-256: 1010b02e617209c514551815087d07e7eef9a5509a5eef6a3a2fa60a8e53f46c
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a primary redirector pointing to a malicious URL. The document body and heuristics indicate a lure for a 'video converter app for android', likely a phishing or scam attempt. The presence of numerous external PDF links suggests a link farm designed to improve search engine ranking for 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.ru/pify?keyword=video+converter+app+for+android In PDF document text
    • http://files.birminghamwalkingtours.co.uk/uploads/1/3/2/7/132740873/0e29ab8316b183c.pdfIn PDF document text
    • http://files.beverleywa.com/uploads/1/3/0/7/130775346/sirivogewimipe.pdfIn PDF document text
    • http://files.michellewalkermusic.com/uploads/1/3/0/7/130740180/kazapejo.pdfIn PDF document text
    • http://files.chicostate2037.org/uploads/1/3/1/3/131398088/zalibosa_muziw_genaza.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/1/0432/3134/6856/files/mejix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5506/2938/files/digepojaduzefuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9098/3574/files/asme_sec_viii_div_1_appendix_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9675/0742/files/122411783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/gmc_canyon_manual_transmission.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3815/0549/files/abortion_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8056/2326/files/52360590133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0954/6136/files/real_clouds_skyrim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2330/9727/files/use_of_english_words_in_sentences.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8400/2981/files/sisenutetefefubemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7913/0524/files/porimurununodatub.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_off0000789a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x789A 4964 bytes
SHA-256: 313f60146c9af0714fb62af2c426bb947602acc4f75dbc5db3017cca820385a8
font_01_sfnt_off00008990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8990 10516 bytes
SHA-256: a98084edd2bb1067f1430772abf96faf777bb28cdbfbc440463df0a1dc0b97fb

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