Malicious PDF — malware analysis report

Static analysis result for SHA-256 302a44ea50d73c0b…

MALICIOUS

PDF

48.5 KB Created: 2020-08-06 19:41:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a82f06d4f1e187915104e2ca2efa024 SHA-1: 942a80b2716b213c95c2d3e1c7cf6678e2576022 SHA-256: 302a44ea50d73c0b5bd7437ff1ec8dee734c0710227c45d22c2cc03d23d49e5b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains a reference to 'amore e psiche neumann pdf' and the malicious URL. The presence of numerous external PDF links suggests a link farm or SEO poisoning tactic to distribute 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.com/pify?keyword=amore+e+psiche+neumann+pdf In PDF document text
    • http://files.upbeatelectronics.com/uploads/1/3/1/3/131379049/webewir.pdfIn PDF document text
    • http://files.guidedchildrensadoration.com/uploads/1/3/1/6/131607131/34b0fa7.pdfIn PDF document text
    • http://zifefuv.togetherincounselling.co.uk/uploads/1/3/2/3/132302939/nabarafasaromep.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/1/0428/3770/4867/files/gallbladder_surgery_diet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0149/4178/files/46611897397.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8694/6206/files/xoxeligonesamesepekupagal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8079/4780/files/pederaguxojaguxuwumini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6844/8165/files/42139171222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4160/2208/files/97989733150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0360/8214/files/55918234555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3156/0354/files/4416521526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0151/1064/files/34562194437.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9733/3668/files/sisaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1873/2191/files/joxapu.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_off00007f06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F06 5352 bytes
SHA-256: afe9daec8c215ccd762f5a368d308524b386bd8c535013a49249636101b426d5
font_01_sfnt_off00009111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9111 11092 bytes
SHA-256: d153cc5845f06ff607b381d7edbee78df4760cff0e48fc80cdb5cc0abf975520

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