MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, but one critical link redirects to a known malicious domain (ttraff.com). This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.com/wb?keyword=spanish%20preterite%20vs%20imperfect%20worksheets
- http://files.freshairsat.com/uploads/1/3/1/4/131453598/jumisodi.pdf
- http://lutonixuw.lifessweetinc.com/uploads/1/3/0/7/130776046/7c49accf5183928.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0430/0131/5491/files/zemagoduxa.pdf
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/is_it_love_matt_answers_chapter_2.pdf
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/abn_form.pdf
- https://cdn.shopify.com/s/files/1/0433/5344/0414/files/81788563297.pdf
- https://cdn.shopify.com/s/files/1/0429/6550/0060/files/brain_parts_and_their_functions.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/doduposepufu.pdf
- https://cdn.shopify.com/s/files/1/0437/2886/3397/files/29537097969.pdf
- https://cdn.shopify.com/s/files/1/0435/7668/8799/files/nividanebagotoleb.pdf
- https://cdn.shopify.com/s/files/1/0430/2598/9785/files/wizard_dungeon_world.pdf
- https://cdn.shopify.com/s/files/1/0428/8937/9996/files/feviluwomaf.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004989.bin64ad271e3b6e014b364cf0cca9cd5e1bb4c742ddf6cafd514814901c8c07367a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4989 | 5328 bytes |
font_01_sfnt_off00005b82.binfac9efd18a113b5a42f385d3f77e2faa8b0fd6879368d5c7ea32c9025777701e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B82 | 10444 bytes |
font_02_sfnt_off00007dda.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDA | 4324 bytes |
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