MALICIOUS
194
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 a URL that appears to be a Craigslist ad lure. The document body, though heavily obfuscated, contains the same URL and references to Craigslist. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs hosted on various domains, many of which are benign Shopify links but others are unknown. The primary malicious URL is https://ttraff.cc/pify?keyword=craigslist+fresno+free+stuff, which likely leads to further malicious content.
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=craigslist+fresno+free+stuff In PDF document text
- http://files.jacksonpottsii.com/uploads/1/3/0/7/130775858/figelujosus.pdfIn PDF document text
- http://files.phillyiday.org/uploads/1/3/1/6/131607712/lijipajosuvekizuga.pdfIn PDF document text
- http://files.strikedebtportland.org/uploads/1/3/1/6/131606133/69899.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/1/0431/3127/3365/files/filokemojudanuludogafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4514/3207/files/volinejubivewotiwotukifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7410/1149/files/wonutalegikixomij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/89666501070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9664/3486/files/49040865773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/29151168449.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/9742630600.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/the_blade_of_the_endless_paths.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1162/1543/files/13813489195.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2596/4957/files/31772196168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8311/8232/files/74072601515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3446/8774/files/romufapuwi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4838 | 4840 bytes |
SHA-256: 98392b76f4122b40306e12336573b97dc54bb7b11a467377bef1ef099e46bcc2 |
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font_01_sfnt_off000058ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58BA | 9556 bytes |
SHA-256: 91dcbec7b8c856e88c9786c43f0b42fe58171d5dbfb832b6374364ad5a915a96 |
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font_02_sfnt_off0000798e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798E | 16144 bytes |
SHA-256: 764fe263e68fd20aff2bbd96e69f5a400d440299d02096befa162391f913c7cf |
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