Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b52213f17a7b40b…

MALICIOUS

PDF

43.9 KB Created: 2020-08-06 01:17:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 947a0345b6baedb7b3cc3c5e8256249a SHA-1: 81cad4c1095d47c0e98ef7328382708d4f1788d4 SHA-256: 1b52213f17a7b40b90bf01c1825b62783db1ed273a6e3a90a353f80a256fb5dd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=bticino+living+now+prezzi+pdf. Another heuristic identified a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The document body contains garbled text but includes the malicious URL and references to PDF files.

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=bticino+living+now+prezzi+pdf In PDF document text
    • http://files.pugsleydigitalmarketing.com/uploads/1/3/2/6/132695651/xukuserowireda_jaxojezinere_lirewori_fanupagimejoxa.pdfIn PDF document text
    • http://files.claire-crafts.com/uploads/1/3/0/7/130776590/51d5fcbb5.pdfIn PDF document text
    • http://files.westfielddentalpa.com/uploads/1/3/2/7/132741052/sesuxe.pdfIn PDF document text
    • http://files.abridgetoenglish.com/uploads/1/3/0/7/130740175/tijezejife.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/1/0432/1335/7214/files/nosoludoguvuvoserurigeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6885/8280/files/46951149707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8507/9452/files/zapiwajobinulozimizatob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4829/6863/files/galaxy_tab_s2_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3434/5625/files/motorcycle_mechanic_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8460/1752/files/nakutopanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1030/0831/files/pro_webcam_hack_v_1._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8164/4697/files/36447729634.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7093/0600/files/visuwotiwawiwibifetex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8207/2739/files/68400470239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6174/7605/files/zilaguf.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 8

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_off0000642a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x642A 5188 bytes
SHA-256: 0e0e66d61035613f37e348b8f2c6209b3992b7049f421c2d7d5b32741839f9e8
font_01_sfnt_off0000760a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x760A 13948 bytes
SHA-256: 291376e02aea4baf2c5aefd01d5e49989b44d337eb7d7f9b82d7c11df118311b

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