MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many pointing to external PDF files hosted on Shopify, forming a link farm. One prominent link, disguised as 'cash flow statements pdf', redirects to the malicious domain 'ttraff.ru'. This suggests a social engineering tactic to drive traffic to potentially malicious or spam content. The ML classifier also strongly indicated maliciousness.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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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=cash+flow+statements+pdf In PDF document text
- http://files.hafahuliguam.com/uploads/1/3/0/8/130874359/7699353.pdfIn PDF document text
- http://files.feardoc.com/uploads/1/3/1/3/131398195/jezis_rodilovagom_texokubigabab_foxafagagiza.pdfIn PDF document text
- http://files.foxhomeinspectionllc.net/uploads/1/3/1/4/131409574/feganibimiforubodof.pdfIn PDF document text
- http://wupowame.jennuinenhphotography.com/uploads/1/3/2/3/132303382/7039074.pdfIn PDF document text
- http://files.theartssociety-pewseyvale.com/uploads/1/3/1/8/131871730/3886738.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/6381/1997/files/bhutanese_calendar_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/55340623329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0416/5285/files/46073943196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3537/0407/files/21411400226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4091/3046/files/vodezemojususutufuwinuras.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7491/0376/files/jafokax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9378/6778/files/pert_test_study_guides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/nolozasibafesudinekivafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/57016587029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8128296882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/download_r_for_mac.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8424 | 5040 bytes |
SHA-256: 306045ddd14d11a830d94e0a1b82c68d23f7d20f224b7eb90044ac995e1005f1 |
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font_01_sfnt_off0000953b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x953B | 10640 bytes |
SHA-256: da6efe8090aab388db41ad29f9a000487091ebb58fe6e61d70eda3d5083db114 |
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font_02_sfnt_off0000b8fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8FB | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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