Malicious PDF — malware analysis report

Static analysis result for SHA-256 10b4c63a558486ff…

MALICIOUS

PDF

38.8 KB Created: 2020-08-08 00:05:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c2f3e86d5bbfc6a0b8ba22aabe354218 SHA-1: bd1dd86fadd8f12f591760a7732e3df503212e08 SHA-256: 10b4c63a558486ffe5e3f4de220f1549ee7328b6acec65441bd848b05e12d37a
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though partially corrupted, contains text suggesting a lure related to 'Godrej door locks price list 2018 pdf', which is likely a pretext for phishing or malware delivery. The ML classifier strongly indicates maliciousness, and the presence of numerous external links points to a link farm or redirection scheme.

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/wb?keyword=godrej%20door%20locks%20price%20list%202018%20pdf In PDF document text
    • http://files.businessgradeva.com/uploads/1/3/1/8/131871852/vimavonepovu-vofogufawos-wajafalu-zasetisosutek.pdfIn PDF document text
    • http://files.farrellheatingandcooling.com/uploads/1/3/1/3/131383318/fcb134c368f9b.pdfIn PDF document text
    • http://files.kwintradius.com/uploads/1/3/0/8/130874104/rakekodunup.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/1/0435/0004/4440/files/67150926161.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5048/3368/files/31792637125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6676/9051/files/pevulipexem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2483/4975/files/wurij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5101/5577/files/42950472698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2561/3468/files/29917524294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7192/1571/files/50079313869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7119/2732/files/edit_for_free_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8422/6453/files/lejepegutezaxumabojokimir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0733/6867/files/breeds_of_pigs_and_their_characteristics.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000580d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x580D 5628 bytes
SHA-256: 3d5902bb430bec8bea7ce8d30306e768f5fadda32cd524f3ca930befcddc5997
font_01_sfnt_off00006b5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B5D 10316 bytes
SHA-256: ad3e58b14262b0d95c5dc1f8936685de606a48ee86da2eb8bcb8338f87b54bb8

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