MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a link farm. The ML classifier also strongly indicated maliciousness. The embedded URLs, particularly the one pointing to 'ttraff.cc', are indicative of a redirection service likely used to obscure the final malicious destination. The presence of numerous links to external PDFs, many hosted on Shopify, suggests an attempt to create a link farm for SEO manipulation or to host a large number of lures.
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=jitsi+meet+android+studio In PDF document text
- http://files.africanpromiseexp.com/uploads/1/3/1/1/131164204/mudip.pdfIn PDF document text
- http://files.shisko.com/uploads/1/3/0/8/130874489/xanuji_lejinusazaje_favilubaxu_rodejoza.pdfIn PDF document text
- http://files.fusion-chemical.com/uploads/1/3/0/7/130739126/0f459.pdfIn PDF document text
- http://files.dracutoymh.org/uploads/1/3/1/4/131453299/9567119.pdfIn PDF document text
- http://files.blugoldsunday.com/uploads/1/3/0/9/130969471/5727737.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/1/0427/6859/7158/files/rovakani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/mokasoxiluja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tomazemajetel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3600/8871/files/gituwusisumakilizar.pdfIn PDF document text
- https://segobagana.files.wordpress.com/2020/06/38765941235.pdfIn PDF document text
- https://rufijiku894783101.files.wordpress.com/2020/07/zofufedaliragolotikomijuz.pdfIn PDF document text
- https://xajetajopa.files.wordpress.com/2020/07/28295104250.pdfIn PDF document text
- https://dewotuf.files.wordpress.com/2020/07/42297769159.pdfIn PDF document text
- https://xajipajadiro.files.wordpress.com/2020/07/zopazijev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/28917708074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99231100330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7054/6329/files/velarisezumolizisulija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/tevejelasusufexifig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0533/0083/files/9991648791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/manavojapejovotudiput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5285/9543/files/xusixes.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_off000093f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93F1 | 4812 bytes |
SHA-256: 182d7ef3ae94955a8a7101303d1ab0f77814db2a480f5268fb1be610ada92d77 |
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font_01_sfnt_off0000a41f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA41F | 14376 bytes |
SHA-256: 71a10a1e2dd83b13ce5726ca02eac44cba234acca541edfebd7c4bc4cd44446b |
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