Malicious PDF — malware analysis report

Static analysis result for SHA-256 150c622f096a3938…

MALICIOUS

PDF

42.3 KB Created: 2020-07-31 23:18:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c3223b0e02c40dcea9c0f5222d0b95b2 SHA-1: c52c5b9cad5825a1dd8c427dfbeb009bb081038c SHA-256: 150c622f096a393834870b7fe184f7c6bd8c8ccb30c18bd91807747994ab491b
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 that ultimately leads to a page offering cracked software. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs confirms a phishing or scam attempt. The document body itself is heavily obfuscated but contains the redirector URL.

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=photoshop+cs3+crack In PDF document text
    • http://files.guavalavahawaii.com/uploads/1/3/1/3/131380915/3db17fe4a.pdfIn PDF document text
    • http://files.cpsschoolcounselors.com/uploads/1/3/0/8/130813992/e1b0b0b7405a.pdfIn PDF document text
    • http://files.anneburkephotography.com/uploads/1/3/2/6/132695258/zajobixixo.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/1/0432/6037/9286/files/gusif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70277109097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vevisip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4653/5322/files/muxaripilusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0718/6843/files/rapegoxolabutexojarek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1954/2434/files/zafofusezunixekijusavo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5987/9841/files/pikesafasajudepixevigifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0998/2107/files/32407827008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5501/4298/files/jiradiwefuvufosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7235/6514/files/kajasuwapigibibituri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/48675385277.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9212/3560/files/5477708503.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 1

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_off000067d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67D4 5220 bytes
SHA-256: 28144b452f1cea1892bc3c8e3e67bed2efedce92a6d8cc9d6d71fe417afa45ac
font_01_sfnt_off0000798b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x798B 10432 bytes
SHA-256: 1b779884e0e7c238e98038d2a04b2d7719c642fadedd320988536b6899d98706

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