MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection attempt. The document body, though corrupted, contains text related to 'allahabad university degree form pdf' and mentions urgency, aligning with a phishing lure. The primary malicious IOC is the ttraff.ru redirector, which is likely used to funnel victims to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=allahabad+university+degree+form+pdf In PDF document text
- http://files.kinbeautyrituals.com/uploads/1/3/1/6/131607232/361cdd6748559.pdfIn PDF document text
- http://bajudan.shebeastillustration.com/uploads/1/3/1/6/131636725/4345179.pdfIn PDF document text
- http://files.deerfieldcommunitychurch.org/uploads/1/3/0/8/130814157/naxozupanileges_vumisujadis_biwulebeb.pdfIn PDF document text
- http://files.tonalitystudio.com/uploads/1/3/0/7/130739791/milununiweluja.pdfIn PDF document text
- http://files.alcuin.org/uploads/1/3/0/8/130874055/rikevaresu.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/1/0431/9592/4637/files/night_nurse_1931.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3155/1400/files/sea_cucumber_species_in_the_philippines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4939/4080/files/62521062679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3699/9842/files/34533741852.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/biosensors_market.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/35917766786.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5021/2264/files/diwozedexagogekak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/8165168609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0071/files/suvaxurutejigiboxebipevuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6758/0322/files/epa_study_guide.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9763 | 5744 bytes |
SHA-256: 8978f5c5ecb4bab6b20829f6b1386a3a617a7d22d7bc8f7e76cc607edefd76a1 |
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font_01_sfnt_off0000aacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAACD | 10788 bytes |
SHA-256: f88502722570cd7b2a7fdab47d32b91b99e26f4028255c645d376e49cad8fc40 |
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font_02_sfnt_off0000cf8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF8E | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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