MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'aptitude questions and answers for engineering students pdf free download', suggesting a lure for users seeking educational materials. The primary malicious link is https://ttraff.ru/pify?keyword=aptitude+questions+and+answers+for+engineering+students+pdf+free+download, which is likely used to redirect the user to further 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.ru/pify?keyword=aptitude+questions+and+answers+for+engineering+students+pdf+free+download In PDF document text
- http://files.casadeartegallery.com/uploads/1/3/2/7/132712306/mebofokixadedigo.pdfIn PDF document text
- http://files.gatewaycathedral.com/uploads/1/3/1/0/131069869/7382438.pdfIn PDF document text
- http://files.nwextremeoutfitters.com/uploads/1/3/0/7/130775668/c3b5e3f6b3ec541.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/1/0436/2724/9826/files/military_college_jhelum_admission_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8202/3061/files/35906918675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2744/5413/files/67521404574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/george_bridgman_anatomy_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2638/9912/files/82634931137.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/fumewedaxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9504/files/59608436282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1434/8197/files/14515910232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3993/9994/files/96277001823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9536/7585/files/lexupijadumasunimez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/38902666429.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2779/9969/files/83809392000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/lovawedel.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_off00005c28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C28 | 5296 bytes |
SHA-256: b4714e17da1628fb4f639defa4b35491291b4962f84d33836ca466c7989f87c2 |
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font_01_sfnt_off00006e3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E3F | 10476 bytes |
SHA-256: 38ae92fe14a80d12019786664ee69bee117b2e5e2056792e9490f015fde61765 |
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font_02_sfnt_off000091d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91D1 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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