MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, and another for a link farm. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. This suggests the primary purpose is to redirect users to malicious sites, likely for phishing or scamming purposes.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=guideposts+magazine+submissions+guidelines
- http://kavasudov.accuwear.ca/uploads/1/3/0/8/130873738/damuzawik-sofenubipizotu-raped-nazunom.pdf
- http://files.helibound.com/uploads/1/3/2/6/132695805/fuxugopo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0462/4823/1066/files/schubert_waltz_in_a_minor_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/vamidivefowuruwev.pdf
- https://cdn.shopify.com/s/files/1/0429/5468/6630/files/body_parts_in_arabic_and_english.pdf
- https://cdn.shopify.com/s/files/1/0434/5534/8888/files/87424377836.pdf
- https://cdn.shopify.com/s/files/1/0431/0184/7708/files/aplikasi_convert_to_word_hp_android.pdf
- https://cdn.shopify.com/s/files/1/0431/4886/9786/files/can_t_help_falling_in_love_ukulele.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/devidozixumofitumin.pdf
- https://cdn.shopify.com/s/files/1/0428/5464/5916/files/the_silmarillion_free_download.pdf
- https://cdn.shopify.com/s/files/1/0438/3096/8480/files/burumukejixexoraniti.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006452.bin03876e3eb8d756f7ad07c4e1d60451618a9bf86d947c01c07fb388243f1735ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6452 | 5404 bytes |
font_01_sfnt_off000076a5.bina321392bbe33bc3f7ac82b4f53823000815d9c171c6e291bb81c1a521c3550c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76A5 | 10632 bytes |
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