MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to Shopify domains hosting benign files, but one critical URL redirects to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the primary malicious URL and a benign-looking URL, suggesting a lure to disguise the malicious redirection.
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=bible%20sermon%20outlines%20pdf
- http://files.apentertainment607.com/uploads/1/3/0/8/130873718/kuzotukuwiku.pdf
- http://files.yachtfab.com/uploads/1/3/0/7/130738748/6048314.pdf
- https://cdn.shopify.com/s/files/1/0436/5120/3225/files/basic_calculus_grade_11_learner_s_module.pdf
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/53358965594.pdf
- https://cdn.shopify.com/s/files/1/0440/1538/6774/files/british_council_ielts_practice_book.pdf
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/90600675843.pdf
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/gta_5_save.pdf
- https://cdn.shopify.com/s/files/1/0434/5567/6580/files/bsc_computer_science_bharathiar_university_syllabus.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/borigajudij.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8774/files/catalogo_de_cactus_y_suculentas.pdf
- https://cdn.shopify.com/s/files/1/0434/0642/6266/files/cursive_alphabet_practice.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31321710084.pdf
- https://cdn.shopify.com/s/files/1/0431/6341/8784/files/89937905393.pdf
- https://cdn.shopify.com/s/files/1/0430/9159/1317/files/19980402410.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_off00006100.bina68a97a6dc2f5aa2ffa68c8b356429676a3e5defea80ea1bdf95fd64904c2b8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6100 | 5168 bytes |
font_01_sfnt_off00007271.bin0dbb6d1248e9a3ddf3aeca5791f1517d42aa60785439e34c7ffbf0044ef90547 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7271 | 10240 bytes |
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