MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a link farm. The ML classifier also strongly indicated maliciousness. The embedded URL points to a redirector service, likely intended to obscure the final destination and potentially deliver a malicious payload or phish for credentials. The document body contains garbled text but includes the suspicious URL.
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.com/pify?keyword=salsa+bechamel+historia+pdf In PDF document text
- http://files.austintricyclist.com/uploads/1/3/0/8/130874009/6435697.pdfIn PDF document text
- http://files.sandystories.org/uploads/1/3/2/8/132816195/c3c9919ae425.pdfIn PDF document text
- http://files.stoneharborpawprints.com/uploads/1/3/0/8/130873918/41fe9a1e89b5.pdfIn PDF document text
- http://sipepad.embracemyanmar.com/uploads/1/3/0/8/130874493/145ce535c236d0.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/1/0435/5099/8679/files/partitura_de_hey_jude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9079/5934/files/wikodawig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7813/2636/files/6719329708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98629167596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/binanoritulike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0096/1947/files/dobevuzuzusebilasaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4954/1013/files/tiwasegidajirarufukop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8713/3860/files/estenosis_bilateral_de_la_arteria_renal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1848/4888/files/classifying_real_numbers_mystery_pattern_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7284/2915/files/94849864642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4093/9933/files/40948763291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2952/6688/files/lenelapogezivij.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6085 | 5636 bytes |
SHA-256: 4fba18d06a786e55b894435998c4ea958c98d549ef6c2f2f6603a2b9ee6f3bfb |
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font_01_sfnt_off00007338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7338 | 6300 bytes |
SHA-256: fba9f6d5d467b7d6bbccdc8ac95b73ea8a6825a62cfb156e50cd914bb525142d |
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font_02_sfnt_off00008291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8291 | 10372 bytes |
SHA-256: aa05dee68a0ddaa7c0329c72a1718d34397d630e90b6c30b81df4de5924513ce |
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font_03_sfnt_off0000a651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA651 | 16096 bytes |
SHA-256: 7ebbc2ca5111f8929629b5f13ee6925e48c04e0bbd4f00b7f694cf833f27cb56 |
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