MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to downloading educational materials, specifically a book. The PDF_SEO_LINK_FARM heuristic further indicates a large number of external links, many of which are hosted on Shopify. The primary malicious IOC is the redirector URL, which is likely used to deliver a secondary payload.
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=bse+odisha+10th+class+english+book+download+pdf In PDF document text
- http://files.nakayamaus.com/uploads/1/3/1/8/131856624/2274337.pdfIn PDF document text
- http://files.evansmstheatre.com/uploads/1/3/0/7/130776757/volatokuxoj.pdfIn PDF document text
- http://files.misneraudioprograms.com/uploads/1/3/1/4/131409305/gidepupolaw_vofotagutusuxi.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/1/0429/7129/9999/files/61361827894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6369/6805/files/28425869339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47948794002.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/3544/7711/files/adobe_acrobat_scan_to_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/miredolanabaxufege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/mefivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3678/7356/files/wigojovolegasonowazadimer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9455/7350/files/tapibuxajuzuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/89846067381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0332/2269/files/22406211291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6119/9526/files/63761126832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8402/7806/files/selomuzozig.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62F9 | 5648 bytes |
SHA-256: 3f3e764058cd798adfa20cf23185102c1774fadb1355086d079fadc35d275ff0 |
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font_01_sfnt_off00007632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7632 | 1832 bytes |
SHA-256: 1bf39900b6225532f5cfe4e5f84ab3c4c7b0e90638e281f24f415d3fe24ed3f8 |
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font_02_sfnt_off00007f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F01 | 10288 bytes |
SHA-256: be75b3f60becf6205945181692a2f877a7c976767790e0e9715268f28ff5d6a1 |
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font_03_sfnt_off0000a237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA237 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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