MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting an SEO link farm or content manipulation tactic. One critical heuristic identified a link to a known malicious redirector, `https://ttraff.cc/pify?keyword=asme+boiler+and+pressure+vessel+code+section+ix+pdf`, which is likely intended to lead the user to a malicious site. The document body itself is heavily obfuscated but contains the same suspicious URL, reinforcing the malicious intent.
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=asme+boiler+and+pressure+vessel+code+section+ix+pdf In PDF document text
- http://files.oklahoma.afaparents.org/uploads/1/3/0/9/130969986/6584028.pdfIn PDF document text
- http://kaniju.crescentsigncraft.co.uk/uploads/1/3/0/8/130813747/3014408.pdfIn PDF document text
- http://files.nineravensstudio.com/uploads/1/3/0/8/130873781/5737509.pdfIn PDF document text
- http://files.buggybarnmuseum.com/uploads/1/3/1/0/131069887/7927040.pdfIn PDF document text
- http://files.cuckoonow.com/uploads/1/3/0/8/130874474/fekifo_japapifuvanawak_bezatim_neterukes.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/1/0429/0245/4428/files/advanced_mathematics_1_question_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/6785/4248/files/pdf_and_cdf_of_random_variable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5178/6135/files/ragesodajilisel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4171/0499/files/ballade_pour_adeline_easy_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5834/8703/files/rodukavanodowepazalome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2146/5757/files/jekej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/94290013033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8014/7359/files/rads_error_lol_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4375/0039/files/adjectives_comparison_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6341/9814/files/sasizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4354/3447/files/surface_area_and_volume_of_all_shapes.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_off00009715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9715 | 5560 bytes |
SHA-256: e23daaa1827672eff08c317330431d6fb04ff7cd3036793f575ef0a0cdccee29 |
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font_01_sfnt_off0000a9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9D7 | 10380 bytes |
SHA-256: 2f1c8540e28b16b45b16e2d71636196bcefeb076219175e5e1dcd0f980379960 |
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