Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f1567342eeebc9…

MALICIOUS

PDF

48.4 KB Created: 2020-08-08 21:12:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4028f135b3bdf3a0fbeb35784cbc2e19 SHA-1: 270943fe02af80747b23493c0d8fe7da4008de2d SHA-256: 02f1567342eeebc91ebc115661cad4d0aef6238ccd31cce0a93a656426aaf87d
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service, indicating a link farm or phishing lure. The primary redirector URL is identified as malicious. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the intent is to drive traffic to potentially harmful sites. No scripts were extracted, but the PDF structure and embedded links strongly suggest a social engineering attack.

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=hat+afrikaanse+woordeboek+pdf In PDF document text
    • http://files.janetbabymom.com/uploads/1/3/0/7/130775537/b473f8cc3.pdfIn PDF document text
    • http://files.river-city-wings.org/uploads/1/3/1/8/131856907/50048ec9e.pdfIn PDF document text
    • http://files.myfiorella.com/uploads/1/3/0/7/130739312/lavozu.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/1/0432/6073/9752/files/82984291772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5198/3783/files/wifi_to_ethernet_adapter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7409/2198/files/kosewavepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4934/4421/files/14187611874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5008/2202/files/9510575821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/35893861932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9452/3552/files/32323514784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4487/1063/files/vexojanolujadesezegaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8950/2111/files/rijomep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9819/3566/files/24204709819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2476/7383/files/bncc_do_ensino_medio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8760/9497/files/74005326684.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 6

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_off000071c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71C1 5048 bytes
SHA-256: e052a00254d09955b02c5fd46196d0b0343adc05136e4c0003c4a09c86bf446f
font_01_sfnt_off000082ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82FF 10708 bytes
SHA-256: 4f03d6b6ae672474a2b7290bebbf87c001c04d9b8ad59db3651980ac0f5cd952
font_02_sfnt_off0000a6f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA6F8 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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