MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified links to known malicious redirector infrastructure, specifically 'ttraff.cc'. Another critical heuristic indicated a PDF link farm with 30 external links, many hosted on shopify.com. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=consumer+reports+best+convertible+car+seats+2018', suggesting a lure related to consumer reports. The primary attack pattern appears to be the distribution of malicious links via a PDF document, likely for SEO manipulation or to direct users to phishing or malware sites.
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=consumer+reports+best+convertible+car+seats+2018 In PDF document text
- http://rebikeged.irenelopezphd.com/uploads/1/3/2/6/132682883/3411243.pdfIn PDF document text
- http://files.gobeyondracing.store/uploads/1/3/1/3/131380504/fezolowuvodume-dopivajeros-womutizetoturot-vudokevalurakon.pdfIn PDF document text
- http://files.pltma.com/uploads/1/3/0/7/130739601/5168586.pdfIn PDF document text
- http://sidokajar.doodahsoul.com/uploads/1/3/1/4/131437886/1346612.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/1/0430/0495/2735/files/remove_commit_from_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9970/0889/files/26193367027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4121/6919/files/29276920987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0969/4107/files/causes_of_greenhouse_effect.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4977/7312/files/thakur_prasad_calendar_august_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7355/8935/files/christmas_songs_for_children_s_choir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0628/0355/files/37491926574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/temperament_and_character_inventory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5706/1781/files/ramisopopadadeti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1991/0813/files/68185824201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2073/7950/files/makupibovositoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9354/1532/files/bidukukejojukumovoraso.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_off00009b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B89 | 5704 bytes |
SHA-256: 4553240b57f1d0106b472c22fc70eba9c735bbb84f9478c2468be0576e229426 |
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font_01_sfnt_off0000aece.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAECE | 10352 bytes |
SHA-256: 67c5476e934cb294f6e01a992c836b1fce3ca90ee21a0b326e7e94730fd021dc |
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