MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, indicating a large number of external links, with 28 generated SEO PDF links. A low-signal heuristic for a visual download button suggests a lure. The embedded URL 'https://ttraff.com/pify?keyword=asme+bpvc+section+viii+division+1+appendix+2+pdf' is the primary indicator of malicious intent, likely serving as a redirector to a malicious payload or phishing page.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=asme+bpvc+section+viii+division+1+appendix+2+pdf In PDF document text
- http://files.metrowestsoccer.com/uploads/1/3/1/3/131380995/5314003.pdfIn PDF document text
- http://files.bolivarcoc.com/uploads/1/3/2/7/132710783/03a669b8.pdfIn PDF document text
- http://files.simply-creations.com/uploads/1/3/1/0/131070633/5195485.pdfIn PDF document text
- http://files.knowfallsintegration.com/uploads/1/3/0/7/130740323/zenebinizivewi.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/1/0450/4364/6614/files/methods_approaches_and_techniques_of_teaching_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6816/1176/files/73484440754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6341/8784/files/39528140026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7794/9848/files/detalar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2887/2359/files/97086018643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3119/7856/files/nifedipine_procardia_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6926/7354/files/zizimolal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3670/3900/files/wheelock_s_latin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2076/9685/files/41800865510.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5521/0905/files/bootstrap_center_image.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_off0000a885.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA885 | 5404 bytes |
SHA-256: 3c7cc5cc7a71d883f2e3edbf39cb1aeaac84bdd225253bd4a28bd68cc130f909 |
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font_01_sfnt_off0000bad0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAD0 | 10612 bytes |
SHA-256: 3f20338900d0da80933e3b790bcdf5753f7d6c91fc222041fa8be6d0457f3f01 |
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font_02_sfnt_off0000df31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF31 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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