Malicious PDF — malware analysis report

Static analysis result for SHA-256 39a64d704453bb34…

MALICIOUS

PDF

39.4 KB Created: 2020-08-25 22:51:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aa995a365ff4e7284236f6046347cdfd SHA-1: 50bda22d36760af3e3faca6491fb9c094e4131d2 SHA-256: 39a64d704453bb34eeec8c7c196fab3d22673851de60543db5509f7acc0b3fa1
194 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as a travel book, aiming to lure users to a harmful destination. The heuristic firings indicate it's a malicious redirector and part of a link farm. The document body explicitly mentions "Paraiso travel libro pdf completo" and contains the malicious URL, reinforcing the social engineering lure.

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.cc/pify?keyword=paraiso+travel+libro+pdf+completo In PDF document text
    • http://gutar.callibreezekennels.com/uploads/1/3/1/3/131383544/xalozonozilop-jifajejunetu-satiz-joleb.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/1/0433/0687/7080/files/jidaxuno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7016/0032/files/airlift_full_hd_movie_khatrimaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9897/1038/files/74156064234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8361/9736/files/afaan_oromo_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4669/9165/files/gevijibosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1154/7037/files/62391196353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1571/6513/files/lumixamikokebowoxakid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2326/9014/files/33709288432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1337/3084/files/arduino_programming_codes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0255/9655/files/rogudunukama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1509/3924/files/vovalibofizunaloxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0212/5733/files/apk_adobe_premiere_pro_for_laptop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5271/1586/files/59431891182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/77817211748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1810/0637/files/15666616710.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_off00005bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BAE 5500 bytes
SHA-256: d74e4f419b87b4e864872b2c012392b3ffd71e5d35bde1b520d051c2033220ad
font_01_sfnt_off00006e4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4F 10088 bytes
SHA-256: 68116a6f8743b222b8b55a6dd235e088afcbb8bbd2c6f71f161c94e80d15619d

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