MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, identified as a link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=advanced+excel+formula+book+pdf', suggesting a lure to download a seemingly legitimate document that instead redirects to malicious infrastructure. No scripts were extracted from this sample.
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.ru/pify?keyword=advanced+excel+formula+book+pdf In PDF document text
- http://files.breezyshoresmininubians.com/uploads/1/3/0/7/130776682/619267.pdfIn PDF document text
- http://lomum.mygrid.org/uploads/1/3/1/4/131453870/6508996.pdfIn PDF document text
- http://files.brasserielouloudi.com/uploads/1/3/1/4/131437474/2096263.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/1/0439/2153/9240/files/portuguese_to_english_phrases.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7125/0335/files/tarepuzoxobexomis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2679/2100/files/53059670409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0491/7917/files/xbox_one_ipv6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9177/7949/files/zofapipojok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1854/3523/files/63819583216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4948/3426/files/lavokeguvegikavalur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8357/files/30996924592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5085/files/72532157526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4742/6975/files/volkswagen_jetta_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/51950378567.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
- 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://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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7481 | 6568 bytes |
SHA-256: 792e288023e4fbe73a0351c4e4cf94c19217598e688914c0413f09f13c1160d5 |
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font_01_sfnt_off000084ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84CE | 5444 bytes |
SHA-256: 2b45d9b27ed821d8e27a6d32755de5278169ea16b3e9ec1030fa15fe28765539 |
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font_02_sfnt_off0000973b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x973B | 2132 bytes |
SHA-256: 065f2abfb6bf82b1afde6bfb4cfa224dfadc3c5d80a67096a22c7f2da70928c5 |
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font_03_sfnt_off0000a138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA138 | 14660 bytes |
SHA-256: f1317bacb6a74cc611afd763f9d4b78cff23cc65ab5434ec39cddec1bcd71ba2 |
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font_04_sfnt_off0000cf7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF7B | 16236 bytes |
SHA-256: 01934bae5a76374c558b256b5a999434f84d06e0733bd05e430fdbd575094919 |
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