MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document exhibits characteristics of a malicious SEO link farm, containing numerous external links to other PDFs. The document body and extracted URLs suggest a lure for downloading an "English speaking learning app", which is likely a pretext for delivering malware. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://wennbergcontracting.com/uploads/1/3/0/3/130324419/130324419.html#english+speaking+learning+app+free+download PDF link annotation
- http://breakingnewschannel.org/uploads/1/3/0/5/130547275/jifisoziwev-dularipepad-sasuramawawejo-pesotule.pdfIn PDF document text
- http://charlesskeetrodgers.com/uploads/1/3/0/4/130489371/60ab93c4a00bf.pdfIn PDF document text
- http://mail.everopoulou.com/uploads/1/3/1/0/131070072/puxov.pdfIn PDF document text
- http://hillcresthollands.com/uploads/1/3/0/9/130969703/7292859.pdfIn PDF document text
- http://www.wfaeastcoast.org/uploads/1/3/0/3/130313504/ee301e49893bb41.pdfIn PDF document text
- http://prescottyogasummit.com/uploads/1/3/0/8/130814197/f8e5cb91.pdfIn PDF document text
- http://www.findapig.com/uploads/1/3/0/5/130588846/6822051.pdfIn PDF document text
- http://my-iei.com/uploads/1/3/0/7/130775859/1154801.pdfIn PDF document text
- http://plan2succeed.net/uploads/1/3/0/3/130323597/barujum.pdfIn PDF document text
- http://desertendocrine.com/uploads/1/3/0/8/130814788/6425694.pdfIn PDF document text
- http://jennaluna.com/uploads/1/3/0/9/130969871/3343213.pdfIn PDF document text
- http://elisepaisley.com/uploads/1/3/0/6/130620847/2140779.pdfIn PDF document text
- http://nordicswimming.org/uploads/1/3/0/6/130620758/rijuwedegunusa.pdfIn PDF document text
- http://mta-sts.btpbyalison.com/uploads/1/3/0/3/130323220/3a17ec2f38a7.pdfIn PDF document text
- http://mta-sts.ktchorus.org/uploads/1/3/0/7/130775244/69d578b738c4.pdfIn PDF document text
- http://triciapagetherapy.com/uploads/1/3/0/4/130435561/wisarisenodajosez.pdfIn PDF document text
- http://transformationspersonaltraining.com/uploads/1/3/0/4/130490151/b5b3b94d0.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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F85 | 7168 bytes |
SHA-256: 58b0901fd5b28afee752efd46985bb61f1ae9caeb6703d4dceefd4d37eac147b |
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