MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The presence of a link farm suggests an attempt to obscure the malicious destination or to leverage SEO tactics for distribution. The primary malicious IOC is the redirector URL.
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.cc/wb?keyword=born%20only%20once%20pdf
- http://files.mcwilliamsbooks.com/uploads/1/3/0/7/130775490/4141020.pdf
- http://dapavagu.st-christophers-nh.org/uploads/1/3/1/6/131637814/718504.pdf
- http://files.vontrappflowers.shop/uploads/1/3/0/9/130969434/799077.pdf
- https://cdn.shopify.com/s/files/1/0437/0422/1849/files/acto_administrativo_definicion.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/kiloganomividoj.pdf
- https://cdn.shopify.com/s/files/1/0435/6803/8049/files/95310073383.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/curtain_wall_systems_a_primer.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdf
- https://cdn.shopify.com/s/files/1/0434/8523/3318/files/exercise_simple_present_tense.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/english_phonetic_alphabet_chart.pdf
- https://cdn.shopify.com/s/files/1/0427/5381/8790/files/learning_curve_in_psychology.pdf
- https://cdn.shopify.com/s/files/1/0434/3359/0940/files/10th_science_book_back_questions_tamil_medium_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/7189/6736/files/minecraft_commandbook_commands_list.pdf
- https://cdn.shopify.com/s/files/1/0434/2045/0972/files/jawaputumive.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000608b.bine727a1472442a54860970aecf1f8a5923bd9fe06a26c35b226c1a172695c2664 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608B | 4912 bytes |
font_01_sfnt_off00007159.bind7377cbc05a84a76bc051dd948645b428b69a7f6342bc76cc13b12c97248f54c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7159 | 9968 bytes |
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