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. The primary malicious URL identified is https://ttraff.com/pify?keyword=digestive+system+parts+and+functions+pdf. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external content. The presence of multiple links to external PDFs, many hosted on Shopify, indicates a link farm strategy, likely for SEO manipulation or to distribute malicious content.
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.com/pify?keyword=digestive+system+parts+and+functions+pdf In PDF document text
- http://matuf.funmazingrentals.com/uploads/1/3/1/4/131409090/lijebos-sewuzukikusaze-kamejevazatufun-mobexikovejolo.pdfIn PDF document text
- http://files.gfox-insurance-agency.com/uploads/1/3/2/8/132815206/gojuwewajogenev_domuke_toveg_tipunen.pdfIn PDF document text
- http://files.boktouchforhealth.com/uploads/1/3/0/7/130775320/6423273.pdfIn PDF document text
- http://files.stpatricksripon.com/uploads/1/3/1/8/131856772/9826839.pdfIn PDF document text
- http://files.bamabelle.org/uploads/1/3/2/3/132303378/nediperixigevo-fizokut.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/1/0452/8229/5969/files/bienestar_emocional_en_adultos_mayores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8637/2246/files/natefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0994/7301/files/detalunibemav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5254/5701/files/que_es_composicion_corporal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8896/0919/files/70129524470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/80777878552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6676/9051/files/tedapame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1741436775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6630/2357/files/53635049356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4132/4184/files/vector_tower_defense.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7309/2246/files/pegipumuzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5546/4104/files/58328371086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2160/6820/files/11502733781.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6663/9014/files/pefejobekafivexuvaxifiw.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_off00007375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7375 | 5604 bytes |
SHA-256: 90266ef605fa815c45931c680092468f2396040972ba8e182d6419daa2b189fe |
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font_01_sfnt_off0000867a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x867A | 9992 bytes |
SHA-256: 780851db6baa09d2533a8e851babb8260293154e6ce2d462480a0d3e2bcf636a |
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