MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to lead users to a redirector service, which in turn points to potentially malicious content. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. The presence of a large number of external PDF links suggests a link farm or a phishing attempt to distribute 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.com/pify?keyword=analytical+maths+questions+pdf In PDF document text
- http://files.thegaydybunchfamily.com/uploads/1/3/1/3/131383483/xinepunubob.pdfIn PDF document text
- http://files.sumiko.us/uploads/1/3/1/4/131407635/sosepekuz_xatujujuvoxu_nizenowuziratar.pdfIn PDF document text
- http://bofodazem.lizorrell.com/uploads/1/3/1/6/131637881/dabf6ee2.pdfIn PDF document text
- http://jukufitus.jessmarais.com/uploads/1/3/0/7/130776483/1759106.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/1/0431/3825/2954/files/volakimupudanidozuxuxata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6278/8245/files/22956356404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2430/8630/files/16287337289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8566/8255/files/gokapolimavigow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4670/6088/files/lepibusegeduzaxupew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3423/0429/files/duwikogiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/11783771814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7897/5639/files/gasepojubenitubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1470/1735/files/niwijaxadagogewidanix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/sikiger.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/28788884402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1509/3920/files/53715370181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2752/1948/files/73097361053.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_off0000b4d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4D7 | 5400 bytes |
SHA-256: e504f8397fc9c877987f16c0cc5d055a7bde46d7e7c5d86dcc489b8c98a1c39a |
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font_01_sfnt_off0000c70b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC70B | 10532 bytes |
SHA-256: b1ed082ffc40d7a9fb72bad3c99f641eeaa0d5051b8f911f43cacc11f3b1f9d3 |
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font_02_sfnt_off0000eab2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB2 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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