MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing indicating it links to a known malicious redirector, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL and references a PDF title that likely serves as a lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=design+of+wood+structures+breyer+pdf In PDF document text
- http://files.drkentpsyd.com/uploads/1/3/0/7/130775033/jonuxejoviral.pdfIn PDF document text
- http://files.onelittlelight.org/uploads/1/3/0/7/130776055/5592230.pdfIn PDF document text
- http://files.samanthaldoyle.com/uploads/1/3/2/7/132712268/gojajosi.pdfIn PDF document text
- http://files.buildingthemontessorinetworkblog.com/uploads/1/3/1/8/131857140/7544145.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/1/0430/9676/8661/files/pagofufozobevililunake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sarozasupevukofapunaxovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9513/8208/files/59546641481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/12493343298.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4587/8941/files/pulijudirosol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7735/4143/files/82492410178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/49687168096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1991/7720/files/rufagewaxeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8257/8088/files/lisulevijinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5325/2757/files/limajusebabegupufozisolux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8604/4572/files/how_to_iterate_through_a_map_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9703/0805/files/wojabujogurezosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2775/1321/files/16926553258.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_off00004642.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4642 | 5416 bytes |
SHA-256: 29cc94988ac762b3f23a94901370bec153cd17989a63d055e3a62261f7a20748 |
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font_01_sfnt_off000058dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58DC | 9304 bytes |
SHA-256: b183838c205a53a596ef935d7c0e46174da773ce96edad507263591f81fee398 |
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