MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link and a large number of external links, characteristic of a link farm designed to obscure the true destination. The document body, though heavily obfuscated, suggests a lure related to 'high fiber foods pdf spanish'. The primary malicious IOC is the redirector URL, which is likely the entry point to a further stage of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wb?keyword=high%20fiber%20foods%20pdf%20spanish
- http://files.theplaidtraveler.com/uploads/1/3/1/4/131437823/9450648.pdf
- http://files.meadrdmardigras.org/uploads/1/3/1/1/131164440/7436554.pdf
- http://files.chenyy0527.com/uploads/1/3/2/7/132712139/lilogabewojumob.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4830/files/kenepalovomu.pdf
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/256412680.pdf
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/wazotexonibubapi.pdf
- https://cdn.shopify.com/s/files/1/0431/4837/8266/files/felelatodoxasarubuteloneb.pdf
- https://piwelil.files.wordpress.com/2020/06/40894283391.pdf
- https://xodugunoku.files.wordpress.com/2020/06/fapijiduriver.pdf
- https://xifoburufo.files.wordpress.com/2020/06/54569364680.pdf
- https://pizeseguzog.files.wordpress.com/2020/07/tafenesixisake.pdf
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/37065234307.pdf
- https://cdn.shopify.com/s/files/1/0437/8315/9969/files/74939982120.pdf
- https://cdn.shopify.com/s/files/1/0432/7941/7504/files/31285050434.pdf
- https://cdn.shopify.com/s/files/1/0434/1451/9973/files/vasudetawelapuwewexakuvip.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/kawedulatizatukotapu.pdf
- https://cdn.shopify.com/s/files/1/0431/2943/8370/files/nowutelududofik.pdf
- https://medlineplus.gov/dietaryfiber.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://piwelil.files.wordpress.com/2020/06/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006282.bin69bf57826e1c97238ce90f62c2760af023edf06b66fa6f1ad811d1aff4886ef0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6282 | 5080 bytes |
font_01_sfnt_off000073ad.bindf14e63c8f4b7e2a8545a9748242397c81aa57e4e1b3153be080f544ef9c755d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73AD | 10688 bytes |
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