Malicious PDF — malware analysis report

Static analysis result for SHA-256 60704f4b238c0424…

MALICIOUS

PDF

54.4 KB Created: 2020-07-29 19:00:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9e3845df06f786985a4ab1902b8ff674 SHA-1: fbb3324332b88de0db8be56f14c9e9ed03ed51ef SHA-256: 60704f4b238c0424579b43e79b79daaef562b8ed571c7fd7cdba1036d348f4f1
194 Risk Score

Malware Insights

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

The PDF contains a large number of links to external PDFs, many of which point to a redirector service. This indicates an attempt to host malicious content or phish users by directing them to potentially harmful websites. The ML classifier also strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector and link farm attack pattern.

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.com/pify?keyword=makalah+askep+abortus+pdf In PDF document text
    • http://files.shopscarletgypsies.com/uploads/1/3/2/6/132681698/6065207.pdfIn PDF document text
    • http://files.patmedmun.com/uploads/1/3/1/3/131379792/zidolirevipomiweziji.pdfIn PDF document text
    • http://files.jpicac.org/uploads/1/3/1/4/131408432/wolororo_lugerakip_xitijigad_nemon.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/1/0429/0812/3303/files/49386457506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6997/2392/files/todalevisilusid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0334/7098/files/69321505506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8946/8328/files/72544185422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9109/0844/files/vavamiwabozisanezadigan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6634/1029/files/79040229565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78578063821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8350/5562/files/dawaxafedutitepexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7854/1722/files/bifofugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8221/0725/files/tutisijirumi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8148/2918/files/dusuxaxojavonodazalivozus.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000098e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98E4 5064 bytes
SHA-256: f8bb7d0fe2124af9c2501187b66fa5adf60081489e45c95d38944d725342b86c
font_01_sfnt_off0000aa24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA24 10100 bytes
SHA-256: a4054b188a22f0760f4a28f0f174ed88ea7b0b0c3acd8142c1e09b094af9b355

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