MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=weber+carburetor+manual+pdf+download'. The ML classifier strongly supports the malicious verdict. The document body, though heavily obfuscated, contains references to the malicious URL and other Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic to lure victims. The primary attack pattern involves redirecting users to malicious sites.
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.cc/pify?keyword=weber+carburetor+manual+pdf+download In PDF document text
- http://files.noellegracephotos.com/uploads/1/3/1/4/131453894/liludatogodunipesa.pdfIn PDF document text
- http://files.concealedwindowtinting.com/uploads/1/3/1/1/131164156/2744266.pdfIn PDF document text
- http://files.chiefsthreads.com/uploads/1/3/1/6/131637546/fc0d572.pdfIn PDF document text
- http://files.bonflavourtea.com/uploads/1/3/1/3/131398246/jadorobiwu.pdfIn PDF document text
- http://xinubejir.ashlypianocrafts.com/uploads/1/3/1/3/131381428/3e83f7955.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/femepotufitaxaturu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3311/5289/files/lakewajewanavexoxob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/78012776353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2597/9813/files/41637726596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2655/3752/files/deutz_f3l1011f_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/wavavaduda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8485/8022/files/uefa_champions_league_2020_fixtures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6940/6360/files/vuwuporetigozavuxivumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/93114587625.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/boravevuwovupovekipago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4695/9261/files/army_da_form_31_fillable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4751/7349/files/embryonic_and_fetal_development.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000600a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x600A | 5368 bytes |
SHA-256: 3c10e3ada6d713a8093e014b64e076b0563fbb934bde5b2e4e4c6305f2692975 |
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font_01_sfnt_off0000724a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x724A | 10428 bytes |
SHA-256: 7a8fe40a7fac4dcfd22068ce4fd6c84abdb99770466e5f85b8a50850523c526f |
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